lnumeric.c revision 112425
1/* 2 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/lib/libc/locale/lnumeric.c 112425 2003-03-20 08:05:20Z ache $"); 29 30#include <limits.h> 31#include "lnumeric.h" 32#include "ldpart.h" 33 34extern int __nlocale_changed; 35extern const char *__fix_locale_grouping_str(const char *); 36 37#define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *)) 38 39static char numempty[] = { CHAR_MAX, '\0' }; 40 41static const struct lc_numeric_T _C_numeric_locale = { 42 ".", /* decimal_point */ 43 "", /* thousands_sep */ 44 numempty /* grouping */ 45}; 46 47static struct lc_numeric_T _numeric_locale; 48static int _numeric_using_locale; 49static char *_numeric_locale_buf; 50 51int 52__numeric_load_locale(const char *name) 53{ 54 int ret; 55 56 ret = __part_load_locale(name, &_numeric_using_locale, 57 _numeric_locale_buf, "LC_NUMERIC", 58 LCNUMERIC_SIZE, LCNUMERIC_SIZE, 59 (const char **)&_numeric_locale); 60 if (ret != _LDP_ERROR) 61 __nlocale_changed = 1; 62 if (ret == _LDP_LOADED) { 63 /* Can't be empty according to C99 */ 64 if (*_numeric_locale.decimal_point == '\0') 65 _numeric_locale.decimal_point = 66 _C_numeric_locale.decimal_point; 67 _numeric_locale.grouping = 68 __fix_locale_grouping_str(_numeric_locale.grouping); 69 } 70 return (ret); 71} 72 73struct lc_numeric_T * 74__get_current_numeric_locale(void) 75{ 76 return (_numeric_using_locale 77 ? &_numeric_locale 78 : (struct lc_numeric_T *)&_C_numeric_locale); 79} 80 81#ifdef LOCALE_DEBUG 82void 83numericdebug(void) { 84printf( "decimal_point = %s\n" 85 "thousands_sep = %s\n" 86 "grouping = %s\n", 87 _numeric_locale.decimal_point, 88 _numeric_locale.thousands_sep, 89 _numeric_locale.grouping 90); 91} 92#endif /* LOCALE_DEBUG */ 93